/*
 * @Description:
 * @Author: dh
 * @Date: 2022-05-20 21:30:09
 * @LastEditors: dh
 * @LastEditTime: 2022-07-21 16:09:26
 */
import router from "./routers";
import store from "@/store";
import Config from "@/settings";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth"; // getToken from cookie
import { buildMenus } from "@/api/system/menu";
import { filterAsyncRouter } from "@/store/modules/permission";
NProgress.configure({ showSpinner: false }); // NProgress Configuration

const whiteList = ["/login"]; // no redirect whitelist

router.beforeEach((to, from, next) => {
	if (to.meta.title) {
		document.title = to.meta.title + " - " + Config.title;
	}
	NProgress.start();
	if (getToken()) {
		// 已登录且要跳转的页面是登录页
		if (to.path === "/login") {
			next({ path: "/" });
			NProgress.done();
		} else {
			if (store.getters.roles.length === 0) {
				// 判断当前用户是否已拉取完user_info信息
				store
					.dispatch("GetInfo")
					.then(res => {
						// 拉取user_info
						// 动态路由，拉取菜单
						loadMenus(next, to);
					})
					.catch(err => {
						console.log(err);
						store.dispatch("LogOut").then(() => {
							location.reload(); // 为了重新实例化vue-router对象 避免bug
						});
					});
				// 登录时未拉取 菜单，在此处拉取
			} else if (store.getters.loadMenus) {
				// 修改成false，防止死循环
				store.dispatch("updateLoadMenus").then(res => {});
				loadMenus(next, to);
			} else {
				next();
			}
		}
	} else {
		/* has no token*/
		if (whiteList.indexOf(to.path) !== -1) {
			// 在免登录白名单，直接进入
			next();
		} else {
			next(`/login?redirect=${to.path}`); // 否则全部重定向到登录页
			NProgress.done();
		}
	}
});

export const loadMenus = (next, to) => {
	buildMenus().then(res => {
		const asyncRouter = filterAsyncRouter(res);
		asyncRouter.push({ path: "*", redirect: "/404", hidden: true });
		store.dispatch("GenerateRoutes", asyncRouter).then(() => {
			// 存储路由
			router.addRoutes(asyncRouter); // 动态添加可访问路由表
			next({ ...to, replace: true });
		});
	});
};

router.afterEach(() => {
	NProgress.done(); // finish progress bar
});
